NFL Collective Bargaining Agreement

Article 51
Miscellaneous

Section 14(a)
Sensors

(a)

For purposes of this Subsection “Sensors” shall mean any sensor, device or tracking device worn by an individual player used to collect, monitor, measure or track any metric from a player (e.g., distance, velocity, acceleration, deceleration, jumps, changes of direction, player load), biometric information (e.g., heart rate, heart rate variability, skin temperature, blood oxygen, hydration, lactate, and/or glucose), or other health, fitness and performance information.